Fixes a phenomenon in which the EF Cinema lens’ F number was incorrectly displayed.

Note:
Firmware Version 2.0.4.1.00 is only for EOS C100 cameras with the Dual Pixel CMOS AF Feature Upgrade applied. If the EOS C100 camera does not have DAF Feature Upgrade applied, please download Firmware Version 1.0.4.1.00.

Firmware version 2.0.4.1.00 is for Cinema EOS C100 cameras running firmware version 2.0.3.1.00. If the camera’s firmware is already version 2.0.4.1.00, it is not necessary to update the firmware. Once the camera is updated to the latest firmware version, it cannot be restored to a previous version.